Home / 67,147.42-100,722.69-22,154.34

Finding the Fourth Proportional to 67,147.42, 100,722.69 and 22,154.34

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Solution

The fourth proportional to 67,147.42, 100,722.69 and 22,154.34 is: 33,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147.42 : 100,722.69 = 22,154.34 : x
  2. Step 2: Convert to fraction form
    67,147.42/100,722.69 = 22,154.34/x
  3. Step 3: Cross multiply
    67,147.42x = 100,722.69 × 22,154.34
  4. Step 4: Simplify right side
    67,147.42x = 2,231,444,719.97
  5. Step 5: Solve for x
    x = 2,231,444,719.97/67,147.42
  6. Step 6: Final answer
    x = 33,232.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.